Detail USB Doctor USB Voltmeter Wattmeter Charger Battery Capacity Tester
KWS-V20 USB Meter Tester Charger Doctor Powerbank
Untuk mengukur status battery gadget anda termasuk handphone, power bank, Ipad, maupun charger adapternya sendiri. Display data: Voltage Current Capacity Time 1: Input 2: RTZ, Reset button , press it three seconds will Reset 3: Out 4: Voltage:3.5V-9V ( 1% accuracy ) 5: Current:0-3 .3 A ( accuracy of 0.4% ) 6: Battery Capacity(0-99999mah) 7: Working time (0-99Hour) 8: The working time and Capacity have Memory function when power off